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Knock Sensor: Replacement

  1. DRAIN ENGINE COOLANT (See  ENGINE COOLANT 
  2. REMOVE AIR CLEANER ASSY (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  3. SEPARATE ACCELERATOR CONTROL CABLE ASSY (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  4. REMOVE TRANSMISSION OIL LEVEL GAGE SUB-ASSY (A/T TRANSAXLE) 
  5. REMOVE TRANSMISSION OIL FILLER TUBE SUB-ASSY (A/T TRANSAXLE) (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  6. SEPARATE THROTTLE BODY ASSY 
    1. Disconnect the ISC valve connector.
    2. Disconnect the throttle position sensor connector. (M/T TRANSAXLE)
    3. Remove the wire harness clamp.
    4. Remove the bolt and 2 nuts, then remove the accelerator control cable bracket and throttle body.
    5. Remove the gasket from the intake manifold.
    Fig 1: Separating Throttle Body Assembly
    G00758838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE CYLINDER HEAD COVER NO. 2 
    1. Remove the 4 nuts and cylinder head cover.
    Fig 2: Removing Cylinder Head Cover No. 2
    G00758839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. DISCONNECT RADIATOR HOSE INLET 
    Fig 3: Disconnecting Radiator Hose Inlet
    G00758840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE OIL LEVEL GAGE SUB-ASSY 
  10. REMOVE INTAKE MANIFOLD 
    1. Disconnect the ventilation hose.
    2. Disconnect the union to connector tube hose.
      Fig 4: Disconnecting Union To Connector Tube Hose And Ventilation Hose
      G00758841Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 3 wire harness clamps.
    4. In order to remove the intake manifold, using several steps, remove the 3 bolts and 2 nuts in the sequence shown in the illustration.
    5. Remove the gasket from the intake manifold.
    Fig 5: Identifying Intake Manifold Bolt And Nut Removal Sequence
    G00758842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE KNOCK SENSOR 
    1. Disconnect the knock sensor connector.
    2. Using SST, remove the knock sensor.

      SST 09816-30010

  12. INSTALL KNOCK SENSOR 
    1. Using SST, install the knock sensor.

      SST 09816-30010

      Torque: 44 N.m (450 kgf.cm, 32 ft.lbf) 

    2. Connect the knock sensor connector.
    Fig 6: Removing Knock Sensor
    G00758843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL INTAKE MANIFOLD 
    1. Install a new gasket to the intake manifold.
    2. Install the intake manifold with the 3 bolts and 2 nuts. Using several steps, tighten the bolts and nuts uniformly in the sequence shown in the illustration.

      Torque: 30 N.m (306 kgf.cm, 22 ft.lbf) 

      Fig 7: Identifying Intake Manifold Bolt And Nut Tightening Sequence
      G00758844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the 3 wire harness clamps.
    4. Connect the union to connector tube hose.
    5. Connect the ventilation hose.
  14. INSTALL OIL LEVEL GAGE SUB-ASSY 
  15. CONNECT RADIATOR HOSE INLET 
  16. INSTALL CYLINDER HEAD COVER NO. 2 
    1. Install the cylinder head cover
    2. First tighten nut A, then tighten nut B.

      Torque: 7.0 N.m (71 kgf.cm, 62 in.lbf) 

    Fig 8: Installing Cylinder Head Cover No. 2
    G00758845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSTALL THROTTLE BODY ASSY 
    1. Install a new gasket to the intake manifold.
    2. Install the throttle body and accelerator control cable bracket with the bolt and 2 nuts.

      Torque: 30 N.m (306 kgf.cm, 22 ft.lbf) 

    3. Install the wire harness clamp.
    4. Connect the throttle position sensor connector. (M/T TRANSAXLE)
    5. Connect the ISC valve connector.
  18. INSTALL TRANSMISSION OIL FILLER TUBE SUB-ASSY (A/T TRANSAXLE) (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  19. INSTALL TRANSMISSION OIL LEVEL GAGE SUB-ASSY (A/T TRANSAXLE) 
  20. INSTALL ACCELERATOR CONTROL CABLE ASSY (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  21. INSTALL AIR CLEANER ASSY (See  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  22. ADD ENGINE COOLANT (See  ENGINE COOLANT 
  23. CHECK FOR ENGINE COOLANT LEAKS (See  COOLING SYSTEM  )